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OpenSourceAlternatives

Tag

api-testing

5 catalogue entries use this topic; each Project's license policy is labeled separately.

Bruno

BrunoOpen

Open-source API client that stores collections as plain-text files

Stars47.3K
Commitjust now
LicenseMIT

Bruno is an open-source desktop API client that stores collections as plain-text Bru files on your filesystem, so teams can version them in Git.

Alternative toPostman
Insomnia

InsomniaAIOpen

Open-source API client for designing, testing, and mocking APIs

Stars40K
Commitjust now
LicenseApache-2.0

Insomnia is Kong's open-source desktop API client for designing, debugging, and testing REST, GraphQL, gRPC, and WebSocket APIs.

Alternative toPostman
HTTPie

HTTPieOpen

User-friendly command-line HTTP client for testing APIs

Stars38.8K
Commit2y ago
LicenseBSD-3-Clause

HTTPie is an open-source command-line HTTP client for testing APIs and web services from the terminal. Expressive syntax and colorized output keep requests readable.

Alternative toBrunoPostman
Firecamp

Firecamp

Open-source API client for REST, GraphQL, and WebSocket testing

Stars2,618
Commit6mo ago
LicenseAGPL-3.0-only

Firecamp is a free, open-source API development client for testing REST, GraphQL, WebSocket, and SocketIO endpoints from one desktop or web app.

Alternative toBrunoPostman
Hercules

Hercules

Open-source AI testing agent for zero-code UI, API, and security validation

Stars1,179
Commit27d ago
LicenseAGPL-3.0-only

Hercules is an open-source AI testing agent from TestZeus that runs UI, API, security, accessibility, and visual checks from plain Gherkin scenarios.

Alternative toFirecampBackstopJS